Iran's supreme leader, Ayatollah Ali Khamenei, was killed in Israeli attacks, with U.S. support, on Saturday. He was 86 years old. A plume of smoke rises following a reported explosion in Tehran on Saturday, February 28, 2026. Israel's defense ministry said it had launched a "preemptive strike" on Iran as sirens sounded in Jerusalem and people across the country received phone alerts about an "extremely serious" threat. Middle East conflict Iranian supreme leader killed in Israeli airstrike, source says President Trump announced the Iranian leader's death on social media, saying Khamenei could not avoid U.S. intelligence and surveillance. A source...